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https://www.readbyqxmd.com/read/28449533/can-mathematics-replace-anatomy-to-establish-recommendations-in-lung-cancer-surgery
#1
EDITORIAL
Marc Riquet, Ciprian Pricopi, Antoine Legras, Alex Arame, Alain Badia, Françoise Le Pimpec Barthes
The greater the number of lymph node (LN) sampled (NLNsS) during lung cancer surgery, the lower the risk of underestimating the pN-status and the better the outcome of the pN0-patients due to stage-migration. Thus, regarding LN sampling "to be or not to be", number is the question. Recent studies advocate removing 10 LNs. The most suitable NLNsS is unfortunately impossible to establish by mathematics. A too high NLNsS variability exists, based on anatomy, surgery and pathology. The methodology may vary according to Inter-institutional differences in the surgical approach regarding LN inspection and number sampling...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449511/delayed-onset-tension-hemothorax-following-blunt-trauma-and-the-rupture-of-a-previously-undiagnosed-aberrant-right-subclavian-artery
#2
Alex Fourdrain, Sophie Lafitte, Jules Iquille, Florence De Dominicis, Pascal Berna
An arteria lusoria is a well-known anatomic variant of the right subclavian artery. We describe a patient in whom an arteria lusoria injury was revealed by delayed-onset tension hemothorax following blunt trauma to the thorax.
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449405/the-impact-of-lesion-location-on-dysphagia-incidence-pattern-and-complications-in-acute-stroke-part-2-oropharyngeal-residue-swallow-and-cough-response-and-pneumonia
#3
S Suntrup-Krueger, A Kemmling, T Warnecke, C Hamacher, S Oelenberg, T Niederstadt, W Heindel, H Wiendl, R Dziewas
BACKGROUND AND PURPOSE: Dysphagia is a well-known complication of acute stroke. Given the complexity of cerebral swallowing control it is still difficult to predict which patients are likely to develop swallowing dysfunction based on their neuroimaging. In Part 2 of a comprehensive voxel-based imaging study, whether the location of a stroke lesion can be correlated with further dysfunctional swallowing patterns, pulmonary protective reflexes and pneumonia was evaluated. METHODS: In all, 200 acute stroke cases were investigated applying flexible endoscopic evaluation of swallowing within 96 h from admission...
April 27, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28449202/barn-owls-maximize-head-rotations-by-a-combination-of-yawing-and-rolling-in-functionally-diverse-regions-of-the-neck
#4
Markus Krings, John A Nyakatura, Mark L L M Boumans, Martin S Fischer, Hermann Wagner
Owls are known for their outstanding neck mobility: these birds can rotate their heads more than 270°. The anatomical basis of this extraordinary neck rotation ability is not well understood. We used X-ray fluoroscopy of living owls as well as forced neck rotations in dead specimens and computer tomographic (CT) reconstructions to study how the individual cervical joints contribute to head rotation in barn owls (Tyto furcata pratincola). The X-ray data showed the natural posture of the neck, and the reconstructions of the CT-scans provided the shapes of the individual vertebrae...
April 27, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28448921/novel-bone-surrogates-for-cranial-surgery-training
#5
Marianne Hollensteiner, David Fürst, Benjamin Esterer, Peter Augat, Falk Schrödl, Stefan Hunger, Michael Malek, Daniel Stephan, Andreas Schrempf
Parietal graft lifts are trained on human or animal specimens or are directly performed on patients without extensive training. In order to prevent harm to the patient resulting from fast rotating machinery tools, the surgeon needs to apply appropriate forces. Realistic haptics are essential to identify the varying parietal bone layers and to avoid a penetration of the brain. This however, requires experience and training. Therefore, in this study, bone surrogate materials were evaluated with the aim to provide an anatomically correct artificial skull cap with realistic haptic feedback for graft lift training procedures...
April 19, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28448712/-quadratus-femoris-muscle-tear
#6
L G Domínguez-Gasca, J L Alcocer-Maldonado, J Magaña-Reyes, L G Domínguez-Carrillo
BACKGROUND: Quadratus femoris tear is an uncommon injury that usually cause hip pain, it incidence is unknown. The patient can suffer of posterior gluteal pain or groin pain or both, which makes accurate diagnosis difficult, because the differential diagnosis of hip pain is broad. CLINICAL CASE: A 65 years old male, with gluteal and groin pain presented during tennis; evaluated by neurologist with lumbosacral magnetic resonance imaging (MRI) (normal) and referred to physical therapy, a pelvic MRI was required, finding an unsuspected quadratus femoris tear...
September 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28448708/-wrist-x-ray-for-analysis-of-the-articular-surface-of-distal-radius
#7
E Vergara-Amador, R Penagos, E Pinilla
In the distal radius fracture requires radiographic views that allow you to see the articular surface without interposition. The objective was to determine whether lateral radiographic projections 7 and 22° improve the analysis of this surface. METHOD: Case series study with radiographs of healthy and operated patients, in order to identify the lunate and scaphoid facets in lateral and anteroposterior projections. Qualitative analysis was made on the radiographs of the distal radius with wedges of 7 and 22° in the lateral views and 11° in the anteroposterior view...
September 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28448309/clinical-feasibility-of-3-dimensional-magnetic-resonance-cholangiopancreatography-using-compressed-sensing-comparison-of-image-quality-and-diagnostic-performance
#8
Jeong Hee Yoon, Sang Min Lee, Hyo-Jin Kang, Elisabeth Weiland, Esther Raithel, Yohan Son, Berthold Kiefer, Jeong Min Lee
OBJECTIVE: The aim of this study was to evaluate the clinical feasibility of fast 3-dimensional (3D) magnetic resonance cholangiopancreatography (MRCP) using compressed sensing (CS) in comparison with conventional navigator-triggered 3D-MRCP. MATERIALS AND METHODS: This retrospective study was approved by our institutional review board, and the requirement of informed consent was waived. A total of 84 patients (male-to-female ratio, 41:43; mean age, 47.3 ± 18.8 years) who underwent conventional 3D navigator-triggered T2-weighted MRCP using sampling perfection with application optimized contrasts (SPACE) and fast 3D MRCP using SPACE with high undersampling combined with CS reconstruction (CS SPACE; CS-MRCP) on a 3 T scanner were included...
April 26, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28447991/isolation-and-characterization-of-mesenchymal-stromal-cells-from-human-umbilical-cord-and-fetal-placenta
#9
Naimisha Beeravolu, Christina McKee, Ali Alamri, Sasha Mikhael, Christina Brown, Mick Perez-Cruet, G Rasul Chaudhry
The human umbilical cord (UC) and placenta are non-invasive, primitive and abundant sources of mesenchymal stromal cells (MSCs) that have increasingly gained attention because they do not pose any ethical or moral concerns. Current methods to isolate MSCs from UC yield low amounts of cells with variable proliferation potentials. Since UC is an anatomically-complex organ, differences in MSC properties may be due to the differences in the anatomical regions of their isolation. In this study, we first dissected the cord/placenta samples into three discrete anatomical regions: UC, cord-placenta junction (CPJ), and fetal placenta (FP)...
April 3, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447855/the-arterial-anatomy-of-the-deltoid-ligament-a-cadaveric-study
#10
Jacob A Haynes, Michelle Gosselin, Brian Cusworth, Jeremy McCormick, Jeffery Johnson, Sandra Klein
BACKGROUND: There is an increasing interest in the operative treatment of deltoid ligament disruption in the setting of chronic ankle instability. Understanding the vascular anatomy of the deltoid complex is beneficial when considering operative procedures on the medial ankle and may provide insight into factors that lead to chronic deltoid insufficiency and ankle instability. METHODS: Thirty-two pairs of cadaveric specimens (64 total legs) were amputated below the knee, and the tibialis anterior, tibialis posterior, and peroneal arteries were injected with India ink and Ward's blue latex...
April 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28447562/dosimetric-advantages-of-a-clinical-daily-adaptive-plan-selection-strategy-compared-with-a-non-adaptive-strategy-in-cervical-cancer-radiation-therapy
#11
Agustinus J A J van de Schoot, Peter de Boer, Jorrit Visser, Lukas J A Stalpers, Coen R N Rasch, Arjan Bel
BACKGROUND: Radiation therapy (RT) using a daily plan selection adaptive strategy can be applied to account for interfraction organ motion while limiting organ at risk dose. The aim of this study was to quantify the dosimetric consequences of daily plan selection compared with non-adaptive RT in cervical cancer. MATERIAL AND METHODS: Ten consecutive patients who received pelvic irradiation, planning CTs (full and empty bladder), weekly post-fraction CTs and pre-fraction CBCTs were included...
May 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28447401/valgus-malalignment-and-prevalence-of-lateral-compartmental-radiographic-knee-osteoarthritis-oa-the-wuchuan-oa-study
#12
Bin Wang, Qiang Liu, Barton L Wise, Yan Ke, Dan Xing, Yuankun Xu, Yuqing Zhang, Jianhao Lin
AIM: To evaluate whether knee alignment explains the higher prevalence of lateral compartment tibiofemoral radiographic osteoarthritis (TFROA) among rural Chinese compared with that among Whites. METHODS: The Wuchuan OA Study is a population-based longitudinal study of risk factors for knee OA. At baseline 1030 participants had home interviews, clinical examinations and weight-bearing posteroanterior semi-flexed radiographs of the tibiofemoral joints. Anatomic knee alignment was measured using an e-film workstation and divided into three categories: normal (182°-184°), valgus (> 184°), and varus (< 182°) alignment...
April 26, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28447322/successful-hepatectomy-for-hepatic-abscess-with-chronic-granulomatous-disease-a-case-report
#13
Ryo Muranushi, Makoto Suzuki, Kenichiro Araki, Norio Kubo, Sayaka Otake, Yutaka Nishida, Takashi Ishige, Hirokazu Arakawa, Hiroyuki Kuwano, Ken Shirabe
BACKGROUND: Chronic granulomatous disease (CGD), a rare inherited disorder, is characterized by impaired ability of phagocytic cells to kill certain bacteria and fungi. Although liver abscess is a common manifestation of CGD, its optimal management in these patients is unknown. Here, we present a case of successful hepatectomy for hepatic abscess in a patient with CGD. CASE PRESENTATION: An adolescent patient with previously diagnosed CGD presented to the pediatrics department of our institution with fever...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28447297/generating-neuron-geometries-for-detailed-three-dimensional-simulations-using-anamorph
#14
Konstantin Mörschel, Markus Breit, Gillian Queisser
Generating realistic and complex computational domains for numerical simulations is often a challenging task. In neuroscientific research, more and more one-dimensional morphology data is becoming publicly available through databases. This data, however, only contains point and diameter information not suitable for detailed three-dimensional simulations. In this paper, we present a novel framework, AnaMorph, that automatically generates water-tight surface meshes from one-dimensional point-diameter files. These surface triangulations can be used to simulate the electrical and biochemical behavior of the underlying cell...
April 26, 2017: Neuroinformatics
https://www.readbyqxmd.com/read/28447154/radiological-and-clinical-interpretation-of-the-patients-with-csf-leaks-developed-during-or-after-endoscopic-sinus-surgery
#15
Muaid I Aziz Baban, Mokarbesh Hadi, Stefania Gallo, Jacopo Zocchi, Mario Turri-Zanoni, Paolo Castelnuovo
Cerebrospinal fluid (CSF) leaks associated with endoscopic sinus surgery (ESS) are a rare complication related to anatomical and technical factors. The anatomical variations at skull base level are imperative to be detected preoperatively by CT scan to avoid this complication. Identifying the factors playing a role in the incidence of the CSF leaks during and after ESS and the common leak sites. A retrospective review of 24 patients presented with incidental CSF leaks, gathered from 1999 to 2016 was performed...
April 26, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28447150/anatomical-status-of-the-human-palatopharyngeal-sphincter-and-its-functional-implications
#16
Kaori Sumida, Yoshinori Ando, Shinichiro Seki, Kikuji Yamashita, Akira Fujimura, Otto Baba, Seiichiro Kitamura
PURPOSE: The transition muscle between the palatopharyngeus (PP) and the superior constrictor of the pharynx (SCP) encircles the pharyngeal isthmus from behind and is designated as the palatopharyngeal sphincter (PPS). The PPS is inferred to play important roles for velopharyngeal closure, but its existence remains controversial and its roles have been regarded as being played by the SCP. The present study aimed to clarify the anatomical status and functional implications of the PPS. MATERIALS AND METHODS: Macroscopic and microscopic examinations were performed on 39 and 4 cadavers, respectively...
April 26, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28447141/the-iliotibial-band-and-anterolateral-capsule-have-a-combined-attachment-to-the-segond-fracture
#17
Marcio Albers, Humza Shaikh, Elmar Herbst, Kentaro Onishi, Kanto Nagai, Volker Musahl, Freddie H Fu
The purpose of this report was to describe the injury mechanism, surgical findings, and outcomes in a 21-year-old professional female football player who presented with a complete anterior cruciate ligament (ACL) rupture and Segond fracture. Interview and video analysis were performed to elicit the injury mechanism. Clinical examination and imaging revealed a complete ACL tear, Segond fracture, lateral meniscus tear, MCL sprain, and posterolateral corner sprain. Examination under anaesthesia revealed Grade 2 pivot shift and varus/valgus instability...
April 26, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28447062/modified-palliative-biliary-stenting-in-situs-inversus-totalis-patient-with-carcinoma-gallbladder-feasibility-and-technical-details
#18
Nishant Gupta, Pradeep Goyal, Itisha Bansal, Shuo Li, Yogesh Kumar, Sanjay S Baijal
Knowledge of the anatomical variants is essential for all invasive hepatobiliary procedures such as endoscopy, surgery and radiologic interventions. Modification in standard therapeutic interventions may be required based on variant anatomy. We report a technical modification in a 75-year-old female with known situs inversus (SI) totalis with carcinoma gallbladder. Present case highlights the finer technical details of the modified percutaneous transhepatic biliary drainage (PTBD) procedure and biliary stenting in a SI patient with carcinoma gallbladder causing malignant biliary obstruction...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28447058/development-of-lymph-node-dissection-in-laparoscopic-gastrectomy-safety-and-technical-tips
#19
REVIEW
Ru-Hong Tu, Ping Li, Jian-Wei Xie, Jia-Bin Wang, Jian-Xian Lin, Jun Lu, Qi-Yue Chen, Long-Long Cao, Mi Lin, Chang-Ming Huang, Chao-Hui Zheng
With the accumulation of experience in laparoscopic radical gastrectomy and the progress in surgical instruments, the laparoscopic technique has been widely applied in gastric cancer. Combining previous reports with data from our center, we believe that laparoscopic surgery for gastric cancer is safe and feasible, and its surgery-related complications have an incidence that is not higher, and perhaps even lower, than that of traditional laparotomy. However, the stomach has many anatomical levels and an abundant blood supply; additionally, laparoscopic surgery is relatively difficult...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28447049/surgical-anatomy-of-gastric-lymphatic-drainage
#20
REVIEW
Maria Carmen Lirosi, Alberto Biondi, Riccardo Ricci
The lymphatic system of the stomach is a multidirectional and complex network composed of lymphatic nodes and vessels. Lymph node metastasis is the most important prognostic factor in curable gastric cancer and lymph node dissection is one of the main areas of surgical research in gastric cancer. Therefore the anatomical classification and embryological development of the gastric lymphatic system have been well described in the literature. The current description of the gastric lymphatic system of the stomach has a surgical orientation and follows the recommendations of the Japanese Gastric Cancer Association...
2017: Translational Gastroenterology and Hepatology
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